Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Zero CC tileable yellow craft paper; scanned and made by me. CC0
Source Sojan Janso
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
A white version of the very popular linen pattern.
Source Ant Ekşiler
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
From an image on opengameart.org shared by rubberduck.
Source Firkin